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rarefy

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ลองค้นหาคำในรูปแบบอื่นๆ เพื่อให้ได้ผลลัพธ์มากขึ้นหรือน้อยลง: -rarefy-, *rarefy*
English-Thai: NECTEC's Lexitron-2 Dictionary [with local updates]
rarefy[VT] ทำให้เบาบาง, Syn. attenuate, dilute
rarefy[VI] เบาบาง, Syn. empty
rarefy[VT] ทำให้หายาก

English-Thai: HOPE Dictionary [with local updates]
rarefy(แร'ริไฟ) vt.,vi. (ทำให้) (กลายเป็น) หายาก,เบาบางลง,บริสุทธิ์, See also: rarefiable adj. rarefier n.

CMU English Pronouncing Dictionary
RAREFY    R EH1 R AH0 F AY0

Oxford Advanced Learners Dictionary (pronunciation guide only)
rarefy    (v) (r e@1 r i f ai)
rarefying    (v) (r e@1 r i f ai i ng)

Result from Foreign Dictionaries (3 entries found)

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rarefy \Rar"e*fy\ (r[a^]r"[-e]*f[imac]; 277), v. t. [imp. & p.
     p. {Rarefied} (r[a^]r"[-e]*f[imac]d); p. pr. & vb. n.
     {Rarefying} (r[a^]r"[-e]*f[imac]`[i^]ng).] [F. rar['e]fier;
     L. rarus rare + -ficare (in comp.) to make; cf. L.
     rarefacere. See {-fy}.]
     To make rare, thin, porous, or less dense; to expand or
     enlarge without adding any new portion of matter to; --
     opposed to condense.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rarefy \Rar"e*fy\, v. i.
     To become less dense; to become thin and porous. "Earth
     rarefies to dew." --Dryden.
     [1913 Webster]

From WordNet (r) 3.0 (2006) [wn]:

  rarefy
      v 1: lessen the density or solidity of; "The bones are rarefied"
      2: make more subtle or refined [syn: {rarefy}, {sublimate},
         {subtilize}]
      3: weaken the consistency of (a chemical substance) [syn:
         {rarefy}, {attenuate}]

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